78276994798 has 16 divisors (see below), whose sum is σ = 121160419344. Its totient is φ = 37900215360.

The previous prime is 78276994753. The next prime is 78276994849. The reversal of 78276994798 is 89749967287.

It is a super-2 number, since 2×78276994798² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2491015 + ... + 2522242.

It is an arithmetic number, because the mean of its divisors is an integer number (7572526209).

Almost surely, 2^78276994798 is an apocalyptic number.

78276994798 is a deficient number, since it is larger than the sum of its proper divisors (42883424546).

78276994798 is a wasteful number, since it uses less digits than its factorization.

78276994798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013507.

The product of its digits is 768144384, while the sum is 76.

The spelling of 78276994798 in words is "seventy-eight billion, two hundred seventy-six million, nine hundred ninety-four thousand, seven hundred ninety-eight".